One minute to teach you to distinguish various fiber jumpers (SC, FC, LC)

Fiber optic jumpers are used to make jumpers from equipment to fiber optic cabling links. There is a thicker protective layer, which is generally used for the connection between the optical transceiver and the terminal box.

1.Optical fiber jumper use:

Fiber optic patch cord products are widely used in: communication room, fiber to the home, local area network, fiber optic sensor, fiber optic communication system, fiber optic connection transmission equipment, national defense combat readiness, etc. It is suitable for cable television network, telecommunication network, computer optical fiber network and optical test equipment. The subdivision is mainly used in several aspects.

2.How to choose fiber jumper:

Fiber optic jumpers are divided into the following three types according to the type of termination: ST-ST, SC-SC, ST-SC. According to the type of fiber, there are two types of single-mode fiber and multi-mode fiber. The jumper length specifications are 0.5m, 1m, 2m, 3m, 5m, 10m, etc. According to the cable outer sheath material, it can be divided into ordinary type, ordinary flame-retardant type, low-smoke halogen-free type (LZSH), low-smoke halogen-free flame-retardant type, etc.

The common fiber jumpers on the market have the following types of connectors: SC, FC, LC. I believe many beginners, facing various English abbreviations, I only know them, but I don’t know how to distinguish them. Please see the following Let us learn how to distinguish them together!

1. SC connector

The SC connector shell is rectangular, and it is connected with the SC coupler, and it is connected by direct plugging and unplugging, without rotation.

Advantages: direct plugging and unplugging, easy to use. Using engineering plastics, high temperature resistance, not easy to oxidize.

Disadvantages: The connector is easy to fall out after using it for a long time.

SC card-connected square type (most used on router switches).

2.FC connector

FC type optical fiber jumper: The external strengthening method is a metal sleeve, and the fastening method is a turnbuckle. Generally used on the ODF side (most used on the patch panel)

3.LC connector

LC type fiber optic jumper: the connector to connect the SFP module, it is made by the easy to use modular jack (RJ) locking mechanism. (Routers are commonly used)

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